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// $Id$
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/**
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* Copyright (C) 2014 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.session;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.log4j.Logger;
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import org.springframework.stereotype.Component;
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import eu.etaxonomy.cdm.api.cache.CdmTransientEntityCacher;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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/**
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* @author cmathew
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* @date 16 Oct 2014
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*
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*/
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@Component("cdmEntitySessionManager")
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public class CdmEntitySessionManager implements ICdmEntitySessionManager {
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private static final Logger logger = Logger.getLogger(CdmEntitySessionManager.class);
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private Map<ISessionEventListener, CdmEntitySession> ownerSessionMap =
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new HashMap<ISessionEventListener, CdmEntitySession>();
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// private HashMap<String, HashSet<CdmClientBase<T>>> entitiesMap =
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// new HashMap<String, HashSet<CdmClientBase<T>>>();
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private CdmTransientEntityCacher latestEntityCacher =
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new CdmTransientEntityCacher("latestEntityCacher", this);
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private ICdmEntitySession activeSession;
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private ICdmEntitySession newSession(ISessionEventListener sessionOwner, boolean setAsActive) {
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CdmEntitySession session = ownerSessionMap.get(sessionOwner);
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if(session == null) {
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session = new CdmEntitySession(sessionOwner, this);
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addToOwnerSessionMap(sessionOwner, session);
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}
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if(setAsActive) {
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activeSession = session;
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}
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return session;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#bind(eu.etaxonomy.taxeditor.session.ISessionEventListener)
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*/
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@Override
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public void bind(ISessionEventListener sessionOwner) {
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if(sessionOwner == null) {
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activeSession = null;
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return;
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}
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ICdmEntitySession session = ownerSessionMap.get(sessionOwner);
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if(session == null) {
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session = newSession(sessionOwner,true);
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}
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activeSession = session;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(eu.etaxonomy.taxeditor.session.ISessionEventListener, T)
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*/
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@Override
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public <T extends Object> T load(ISessionEventListener sessionOwner, T obj) {
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ICdmEntitySession session = newSession(sessionOwner,true);
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return (T) session.load(obj);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(T)
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*/
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@Override
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public <T extends Object> T load(T obj) {
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if(activeSession == null) {
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return obj;
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} else {
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return (T)activeSession.load(obj);
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(eu.etaxonomy.taxeditor.session.ISessionEventListener, T)
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*/
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@Override
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public <T extends CdmBase> T load(ISessionEventListener sessionOwner, T cdmBase) {
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ICdmEntitySession session = newSession(sessionOwner,true);
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return (T)session.load(cdmBase);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(T)
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*/
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@Override
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public <T extends CdmBase> T load(T cdmBase) {
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if(activeSession == null) {
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return cdmBase;
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}
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return (T)activeSession.load(cdmBase);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(eu.etaxonomy.taxeditor.session.ISessionEventListener, java.util.Collection)
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*/
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@Override
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public <T extends CdmBase> Collection<T> load(ISessionEventListener sessionOwner, Collection<T> cdmBaseList) {
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ICdmEntitySession session = newSession(sessionOwner,true);
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return session.load(cdmBaseList);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(java.util.Collection)
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*/
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@Override
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public <T extends CdmBase> Collection<T> load(Collection<T> cdmBaseList) {
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if(activeSession == null) {
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return cdmBaseList;
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}
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return activeSession.load(cdmBaseList);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#dispose(eu.etaxonomy.taxeditor.session.ISessionEventListener)
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*/
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@Override
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public void dispose(ISessionEventListener owner) {
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ICdmEntitySession session = ownerSessionMap.get(owner);
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if(session == null) {
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logger.info("No Session connected to owner, nothing to dispose");
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return;
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}
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session.dispose();
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}
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void addToOwnerSessionMap(ISessionEventListener owner, CdmEntitySession session) {
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ownerSessionMap.put(owner, session);
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}
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void setEntityAsLatest(CdmBase cdmBase) {
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latestEntityCacher.put(cdmBase);
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}
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void promoteSessionEntitiesToLatest(ISessionEventListener owner) {
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ICdmEntitySession session = ownerSessionMap.get(owner);
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if(session != null) {
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session.setEntitiesAsLatest();
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}
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}
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}
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